SD 79 highlighted in red | ||||
Route information | ||||
Maintained by SDDOT | ||||
Length | 209 mi[1] (336 km) | |||
Major junctions | ||||
South end | ![]() ![]() | |||
North end | ![]() | |||
Location | ||||
Country | United States | |||
State | South Dakota | |||
Counties | ||||
Highway system | ||||
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South Dakota Highway 79 (SD 79) is a 209-mile (336 km) state highway in western South Dakota, United States, that runs from Maverick Junction near the Black Hills National Forest to the North Dakota state line.